單項(xiàng)選擇題

You are developing a custom-collection class.You need to create a method in your class. You need to ensure that the method you create in your class returns a type that is compatible with the Foreach statement.
Which criterion should the method meet？（）

A.The method must return a type of either IEnumerator or IEnumerable.
B.The method must return a type of IComparable.
C.The method must explicitly contain a collection.
D.The method must be the only iterator in the class.

你可能感興趣的試題

單項(xiàng)選擇題

最近，您已完成創(chuàng)建的應(yīng)用程序使用應(yīng)用程序配置文件。
此配置文件包含一段名為 EmployeeSection，其中包含雇員的元素。
您需要查看 EmployeeSection 元素的內(nèi)容。
您需要確保 EmployeeSection 元素輸出到控制臺(tái)及其內(nèi)容。
你應(yīng)該做什么？（）

A.
B.
C.
D.

單項(xiàng)選擇題

You need to identify a type that meets the following criteria：
Is always a number.
Is not greater than 65，535.
Which type should you choose？（）

A.System.UInt16
B.int
C.System.String
D.System.IntPtr

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

You are developing a custom-collection class.You need to create a method in your class. You need to ensure that the method you create in your class returns a type that is compatible with the Foreach statement. Which criterion should the method meet？（）

你可能感興趣的試題

You need to identify a type that meets the following criteria： Is always a number. Is not greater than 65，535. Which type should you choose？（）

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

You are developing a custom-collection class.You need to create a method in your class. You need to ensure that the method you create in your class returns a type that is compatible with the Foreach statement.
Which criterion should the method meet？（）

You need to identify a type that meets the following criteria：
Is always a number.
Is not greater than 65，535.
Which type should you choose？（）